#31366D#31366D

#31366D is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.9% C 0.094 H 276.7°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#31366D
RGB	rgb(49, 54, 109)
HSL	hsl(235, 38%, 31%)
HSV	hsv(235, 55%, 43%)
CMYK	cmyk(55%, 50.5%, 0%, 57.3%)
CIE-LAB	lab(24.94, 15.11, -32.79)
CIE-LCH	lch(24.94, 36.10, 294.75°)
OKLab	oklab(35.87% 0.0109 -0.0934)
OKLCH	oklch(35.87% 0.094 276.7)
XYZ	xyz(5.3452, 4.3951, 15.0317)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31366D #6D6831

analogous

#31546D #31366D #4A316D

triadic

#31366D #6D3136 #366D31

tetradic

#31366D #6D3154 #6D6831 #316D4A

square

#31366D #6D3154 #6D6831 #316D4A

split-complementary

#31366D #6D4A31 #546D31

monochromatic

#0B0C19 #1E2143 #31366D #444B97 #6168B8

Accessibility & contrast

On white

11.18

#31366D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#31366D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31366D

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31366D	#FFFFFF	#000000	##FFFFFF
##31366D	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3E6F

Deuteranopia (green-blind)

#16396C

Tritanopia (blue-blind)

#17424C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31366d;
/* rgb */ color: rgb(49, 54, 109);
/* oklch */ color: oklch(35.9% 0.094 276.7);

Tailwind

colors: {
  custom: {
    50: '#6e6c97',
    500: '#31366d',
    950: '#000000',
  },
}

SCSS

$custom: #31366d;
$custom-light: #6e6c97;
$custom-dark: #000000;

JSON

{
  "hex": "#31366d",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 109
  },
  "hsl": {
    "h": 235,
    "s": 37.975,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35872,
    "c": 0.094,
    "h": 276.7
  },
  "luminance": 0.04395
}

Semantic roles & 50–950 ramp

primary

#31366D

secondary

#9E995C

accent

#C45ACE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #31366D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →